97results about How to "Easy to diagnose" patented technology

The invention discloses a vehicle diagnosis method and a vehicle diagnosis device. The vehicle diagnosis method includes establishing the communication connection with a vehicle electronic control unit ECT; receiving the user's diagnosis command; transmitting the vehicle type reading command; determining the vehicle type information according to the information of the vehicle in response to the vehicle type reading command; drawing the whole vehicle network topological diagram of the vehicle; and performing a corresponding diagnosis operation based on the user's selection of the topological diagram ECT nodes. The vehicle diagnosis method and the vehicle diagnosis device can automatically identify the vehicle type, simplify the diagnosis operation, prevent the problem that the vehicle cannot be diagnosed due to the wrong selection of the vehicle type, and meanwhile, the diagnosis operation is simple.

The invention relates to a method for diagnosing deformation of a transformer winding based on frequency response characteristics. The method comprises the following steps of: (1) respectively acquiring a frequency response fingerprint of a winding to be diagnosed of a three-phase winding at the same voltage side of a transformer and an original frequency response fingerprint thereof; (2) judging characteristic points of the frequency response fingerprint of the winding to be diagnosed and the original frequency response fingerprint; (3) calculating amplitude difference factors of all characteristics on the original frequency response fingerprint; (4) calculating frequency difference factors of all characteristics points on the original frequency response fingerprint; (5) obtaining characteristic difference factors of the original frequency response fingerprint and the frequency response fingerprint of the winding to be diagnosed according to the amplitude difference factors and the frequency difference factors; and (6) judging whether the transformer winding generates deformation or not according to a characteristic difference factor judgment criterion. In the invention, whether the transformer winding generates the deformation or not is judged according to the characteristic points of the frequency response fingerprint of the transformer winding, therefore, whether the transformer winding generates the deformations or not can be accurately judged independent of experiences of professional staff. The invention can be not only applied to the analysis of frequency response fingerprint data, but also applied in the analysis of other similar data.

The invention relates to the technical field of automobile sound, in particular to an automatic diagnosis method of an automobile sound loudspeaker and an antenna. The automatic diagnosis method is characterized in that an automobile sound circuit is respectively provided with a detection circuit for monitoring the loudspeaker or the connection state of two ends of the antenna; the detection circuit outputs a signal to a microprocessor MCU; the MCU controls a display screen to display the detected sate after judging data; the detection circuit comprises a power amplifier, a voltage acquisition unit and a voltage comparison unit, wherein the power amplifier is used for driving the loudspeaker or the antenna, the voltage acquisition unit and the voltage comparison unit are successively connected to the automobile sound loudspeaker or two ends of the antenna, the power amplifier is provided with a diagnosis pin which is connected with the MCU, and the output end of the voltage comparisonunit is connected with the MCU. The diagnosis method of the invention is simple and visual, does not need other diagnosis equipment and greatly improves detection efficiency while lowering detection cost.

The invention provides an electrocardiographic data sampling method, which is to sample the following data from an electrocardiograph: starting and ending points of a P wave, starting and ending points of a quantum resonance spectrometer (QRS) wave, starting and ending points of a T wave, form of the P wave, base line of the P wave, position of subwave of the QRS wave, form of the QRS wave, base line of QRS wave, form of the T wave, base line of the T wave, and heart beat rate diagnosis result. The invention also provides an electrocardiographic data sampling device for sampling the data. An electrocardiographic database obtained by using the sampling method and the sampling device provides a test platform with better automatic electrocardiograph characteristic identification and a better diagnosis method.

In a method of diagnosing the fatigue life of structural steelwork according to the present invention, a Barkhausen noise measurement is performed under the condition of 5 mu m< / =d< / =1 mm where d is the detection depth of Barkhausen noise, by using a magnetic head constituted by an air-core coil detection head and a magnetic excitation head obtained by winding a copper wire such as an enameled wire on a U-shaped core made of a soft magnetic material such as a silicon steel sheet or an amorphous magnetic material. The degree of fatigue damage of a target measurement portion is diagnosed using the root-mean-square (RMS) voltage or voltage amplitude value of the Barkhausen noise. According to this method, the degree of fatigue and degradation by stress and strain in the structural steelwork can be accurately diagnosed prior to development of cracking without any limitation on diagnostic locations. A member of steelwork having a life diagnostic function is obtained by mounting the above magnetic head on a brace- or wall-like vibration-damping device made of very low-yield steel. According to this member of steelwork, the wall or covering material of a bridge or the like need not be removed even in practicing a fatigue life diagnosis. The degree of fatigue degradation in structural steelwork can be easily and accurately diagnosed prior to development of cracking even in a location where an operator cannot access due to the structural limitation.

The invention relates to a disposable smoke removal double-wing vaginal speculum and a manufacturing method thereof, wherein an upper expanding arm is connected with an upper blade into a whole and a lower expanding arm is connected with a lower blade into a whole; the upper expanding arm and the lower expanding arm are hinged with each other around a shared pin shaft and are positioned by positioning rods; front edges of the upper blade and the lower blade have smooth duckbill structures without seamed edges; the inside of the upper blade is provided with a smoke extracting tube which is communicated with a smoke extracting device; and the upper blade and the lower blade are provided with elastic silica gel sleeve wings or elastic aliform wings or concertina folding wings. The front edges of the upper blade and the lower blade of the disposable smoke removal double-wing vaginal speculum have the smooth structures without the seamed edges, thereby the disposable smoke removal double-wing vaginal speculum can avoid contact damage and hemorrhage and is safe and reliable; the smoke extracting tube can remove electrical burn smog in an operation, thereby the visual field is clear and environmental pollution is prevented; and the wings on both sides of the vaginal wall can effectively prevent the accidental injury accidents of electrodes on the vaginal wall, and are helpful to pump and remove the electrical burn smog generated during the process of the operation.

The invention provides diagnosis method and device for an electrifying fault of a computer motherboard. The method comprises the steps of supplying power to the motherboard and determining whether a programmable logic chip works; if so, outputting at least one enable signal which is sequenced according to a preset time sequence according to the connection condition of the programmable logic chip and a plurality of power conversion chips so as to enable the power conversion chips to work; detecting level switching signals output by the plurality of power conversion chips through the programmable logic chip; determining the work from a circuit which generate the at least one enable signal to circuits between the successful level conversion signals of the corresponding power conversion chips is normal if the level conversion signals are valid, and otherwise, determining that the fault occurs in the circuit section. With the adoption of the diagnosis method for the electrifying fault of the computer motherboard, the difficulty and workload at the repair of the motherboard can be greatly decreased; the diagnosis method is fast and convenient; the fault can be accurately located to the level of some circuit generating the level signal.

The invention discloses a numerical control machine tool operation state health diagnosis system and diagnosis method. The system comprises an edge data acquisition module, a cloud platform and a client, the cloud platform is connected with the edge data acquisition module and the client. The cloud platform comprises a predictive diagnosis module, an information management and storage module and an application server; and the predictive diagnosis module comprises a real-time diagnosis module, a post-processing diagnosis module and a comprehensive diagnosis module. According to the system, a cloud platform with a diagnosis function is used for replacing an upper computer, the expandability is greatly improved, the diagnosis and prediction tasks can be completed only by deploying corresponding sensors on the machine tool and connecting the sensors to the cloud platform, the real-time state data of the machine tool are managed in a centralized mode through the cloud platform, and the health condition of the machine tool is evaluated and predicted through the diagnosis technology based on the neural network. The diagnosis method is simpler, and the health diagnosis accuracy is high.

The invention relates to a blade fault diagnostic method based on a strain energy response of a wind-driven generator, which comprises the following steps of: (1) obtaining the natural frequencies and the modes of the first M orders of the blade of a wind generator set by performing dynamic modeling and model analytical calculation to the wind generator set; (2) simulating the rotational excitation load of the blade through finite element calculation to the wind generator set to obtain strain energy time domain responses corresponding to the cabin sensor set points of the first M orders of the blade of the wind generator set, and then calculating strain energy frequency domain responses; and (3) obtaining the running state characteristic values of the blade of the wind generator set from the strain energy frequency domain responses corresponding to the cabin sensor set points of the first M orders of the blade of the wind generator set through the strain energy and the rate of change thereof and the method of a support vector machine, and then comparing to obtain a diagnostic result. The blade fault diagnostic method based on the strain energy response of the wind-driven generator related to the invention is simple and easy, high in sensitivity and accuracy and low in diagnostic cost, and can effectively improve the safety and reliability of the blade of the wind generator set and accurately perform fault point positioning, fault qualification and prediction for the blade.

Provided is a speed controller hydraulic slave system median self-diagnosis self-positioning self-adaptive method. The method comprises: a speed controller electrical control system acquiring main distribution position feedback M, main distribution position set Mset and other data; detecting whether a speed controller hydraulic slave system is in a static balance, criterion including main distribution position set Mset being constant, if the criterion being satisfied, performing speed controller proportional valve median self-diagnosis, if not, waiting the criterion condition to be satisfied;performing speed controller proportional valve median drifting self-diagnosis, criterion including the main distribution position feedback M not being equal to the main distribution position set Mset;if M=Mset, setting of a proportional valve median set value B0 being rational, the proportional valve median set value B0 being equal to a proportional valve actual median value B0actual, entering amain distribution electrical median diagnosis step; if M is not equal to Mset, median of a proportional valve drifting, and setting of the proportional valve median set value B0 being not rational, performing proportional valve electrical median positioning correction. The method solves problems that a speed controller hydraulic slave system frequently adjusts and guide vane opening cannot be adjusted in place and other adjusting quality caused by drifting of the speed controller main distribution and the proportional valve electrical median, so as to adapt to current operating working conditions.

The invention relates to application of a fluorescent in-situ hybridization polyclonal separating probe for renal carcinoma and a kit thereof. Clonal fragments used by the polyclonal separating probe provided by the invention are respectively a combination of RP11-416B14, CTD-2522M13 and CTD-2516D6, and a combination of CTD-2312C1, CTD-2248C21 and RP11-959H17. According to the invention, the defect that karyotype analysis can not be performed conventionally after tumor cells are subjected to cell culture until a mitotic phase in the prior art is overcome. The typical gene modification in Xp11.2 translocation / TFE3 gene fusion related renal carcinoma is detected by using the FISH technology, thereby diagnosing the tumor. The fluorescent in-situ hybridization polyclonal separating probe application is high in accuracy, high in specificity, high in success rate, strong in fluorescent signals and convenient to operate. The invention can be applied in paraffin sections, widens the scope of detection specimens, and greatly optimizes the diagnosis method of Xp11.2 translocation / TFE3 gene fusion related renal carcinoma.

The invention belongs to the technical field of engine emission, and discloses a diesel engine DPF trapping efficiency fault diagnosis method. The diesel engine DPF trapping efficiency fault diagnosis method comprises the following steps: S1, DPF pressure difference measurement values under different working conditions are acquired, and corresponding engine exhaust gas volume flow, DPF carrier average temperature and DPF carbon load are obtained; S2, a DPF real-time pressure difference value calculation model is established, and a DPF real-time pressure difference value is calculated; S3, a fault diagnosis enabling area is calibrated according to the working condition information; and S4, a differential pressure deviation value between the DPF differential pressure measurement value and the DPF real-time differential pressure value is calculated, the differential pressure deviation value is compared with a differential pressure deviation threshold value, and when the differential pressure deviation value is not greater than the differential pressure deviation threshold value, it is judged that the trapping efficiency is normal, otherwise, it is judged that a fault exists. According to the diesel engine DPF trapping efficiency fault diagnosis method, the DPF trapping efficiency fault is diagnosed through the mathematical calculation model of the DPF real-time pressure difference value, the method is simple and accurate, a PM sensor is not used, and the cost is greatly reduced.

The invention belongs to the technical field of gene diagnosis, and provides a method for noninvasive prenatal disgnosis of a congenital deafness genetic disease through the technology taking gene chips as a platform. Each microarray gene chip comprises a chip base and probes fixed on the chip base, and the probes have the nucleotide sequences which are as shown in the table 1-2. The diagnosis method comprises the steps as follows: preparation of to-be-tested DNA, multiple PCR amplification, chip hybridization, data processing and image analysis, chip scanning and result obtaining. At the same time, the invention comprises a kit for the noninvasive prenatal disgnosis of the congenital deafness genetic disease, and the kit comprises the microarray gene chips; the method for noninvasive prenatal disgnosis of the congenital deafness genetic disease is simple and convenient; detection has the characteristics of high throughput, good specificity and high sensitivity, the situation that whether each locus belongs to the wild type or the mutant type can be quickly screened, and the diagnosis of the congenital deafness genetic disease can be improved to the gene level; since the noninvasive prenatal disgnosis technology is adopted, the cost is reduced, the time is saved, and the pain of patients is further reduced.

The invention discloses a general-purpose capripoxvirus TaqMan-MGB probe real-time PCR (polymerase chain reaction) detection method and a kit. Through the adoption of the method, the defects in the existing method can be overcome, the capripoxvirus can be diagnosed quickly, accurately and conveniently; emergency control and prevention of goatpox can be facilitated; the economic loss can be reduced; and the method has a very high practical value.

A system for remotely capturing and processing daily blood glucose data and of a patient comprises a first device configured to input blood glucose data of a patient, wherein the data is validated and encrypted within the first device. The First device is in wireless communication with the Second device, wherein the validated blood glucose level data should be at least for a concentration of blood glucose, and wherein the analysis data reading(s) of the blood glucose is transmitted to the database on Second device, wherein the database stores the analysis. A second device receives the validated data readings of the blood glucose, and wherein the blood glucose data reading(s) is combined with one or more previous data reading(s) already stored on the system.

The invention discloses a primer combination for identifying bovine viral diarrhea disease virus (BVDV) and bovine rotavirus (BRV) and application thereof. The primer combination provided by the invention consists of single chain DNA molecules shown in sequences 1-8 in a sequence table; 5' end of a single chain DNA molecule shown in the sequence 3 is connected with fluorophore A, and 5' end of a single chain DNA molecule shown in the sequence 7 is connected with fluorophore B. According to the primer combination disclosed by the invention, the fluorophores are introduced into an LAMP method firstly, a dual-fluorescence RT-LAMP method for identifying BVDV and BRV can be established; by color observation of amplified products, two viruses can be simultaneously identified and diagnosed. The dual- RT-LAMP method built by the invention has good specificity, and can effectively amplify target genes without amplification to other pathogenic nucleic acid, so that the sensitivity is good, and 100 mixed template copy / reaction can be detected at minimum; therefore, the primer combination is a convenient, quick and low-cost diagnosis method, and is suitable for large-scale epidemiologic investigation.

The invention relates to a diagnosis method for a catalytic converter. The method comprises the following steps: after an enabling condition is satisfied, performing fuel oil closed-loop control by only using a downstream oxygen sensor; acquiring a transformation moment T1 when a primary oxygen concentration in an upstream oxygen concentration signal increases, a transformation moment T3 which corresponds to the transformation moment T1 in a downstream oxygen concentration signal, a transformation moment T2 when the primary oxygen concentration in the upstream oxygen concentration signal decreases, a transformation moment T4 which corresponds to the transformation moment T2 in the downstream oxygen concentration signal, a high concentration duration T5 when a primary oxygen concentration in the downstream oxygen concentration signal is continuously high, and a low concentration duration T6 when the primary oxygen concentration is continuously low; computing T31=T3-T1, and T42=T4-T2; acquiring repeatedly, computing the average value of a plurality of numerical values, and comparing the average value with a calibrated limit value in a corresponding critical state of the catalytic converter, wherein the catalytic converter is aged if the average value is smaller than respective calibrated limit value, otherwise, the catalytic converter is normal. The method is easy to implement, and is low in diagnosis cost.

The invention relates to an endoscope with a suction and medicine feeding passage, comprising a light guiding fiber beam which is arranged inside the mainbody pipe chamber of the endoscope, a camera unit which is arranged at the front end of the pipe body, a laser source which is arranged at the end of the pipe body, a control unit and an image display unit; the endoscope is characterized in that the mainbody pipe chamber of the endoscope is provided with a suction passage and a medicine feeding passage; the end of the suction passage is connected with a suction device; the end of the medicine feeding passage is connected with a medicine supplier; wherein, the suction device is an air pump; the endoscope has the advantages that a plurality of tissue metabolites at the disease position which baffle the observation of the endoscope can be removed, thus facilitating the medical staff to carry out the better diagnosis operation on the afflicted part.

Anaplasma phagocytophilum surface protein AipA and / or fragments thereof which comprise an invasin domain are used in compositions suitable to elicit an immune response to treat or prevent infections caused by tick-born bacteria of the Anaplasmatacaea family. AipA proteins and protein fragments or antibodies directed to AipA proteins and protein fragments are also used in diagnostic assays to detect exposure to and / or infection with Anaplasmatacaea. AipA and / or fragments thereof are also used for these purposes in combination with one or both of Asp14 and OmpA proteins and / or fragments thereof which comprise an invasin domain. Homologs of these proteins are also used in the compositions and assays.

A real-time automatic diagnosing and intelligent correcting method for a main distributor electric neutral position of a speed adjustor is composed of an automatic diagnosing method for drifting of the main distributor electric neutral position of the speed adjustor and an intelligent correcting method for the main distributor electric neutral position of the speed adjustor. The automatic diagnosing method for drifting of the main distributor electric neutral position of the speed adjustor includes the steps that a speed adjustor electronic control system acquires a given guide vane opening degree Y output by a hydraulic servo system PID module of the speed adjustor, a given main distributor position M, an adjusting period and other data in real time. Whether relevant data meet the drifting criterion of the main distributor electric neutral position of the speed adjustor or not is judged; if the relevant data meet the criterion, diagnosing stops, and the intelligent correcting link forthe main distributor neutral position is started; and if the relevant data do not meet the criterion, operation returns, and the data continue to be acquired in real time to diagnose drifting of themain distributor electric neutral position. The method aims to solve the problem that a speed adjustor main distributor and a guide vane are frequently adjusted because of drifting of the main distributor electric neutral position of the speed adjustor in the grid-connected operation process, and real-time automatic diagnosing and intelligent correcting of the main distributor electric neutral position of the speed adjustor of a grid-connected operation unit are achieved.

The invention discloses a rapid diagnosis method for rice bacterial fusicoccum sp, and belongs to the technical field of plant diseases. The rice rapid diagnosis method comprises the following steps: a) investigating field symptoms; and b) carrying out molecular detection on a pathogen. Compared with the prior art, the rice rapid diagnosis method has the beneficial effects that a) when field symptoms are investigated, primary diagnosis is made according to typical symptoms of rice bacterial fusicoccum sp, that is, pale of early-stage hydropenia withering of rice grains, browning and rotting in middle and later periods, and brown streaks on leaf sheaths, and bacterial fusicoccum sp can be rapidly distinguished from other spike diseases; b) as a primer is designed according to gene sequences in only B.glumae, the rice rapid diagnosis method is good in PCR (Polymerase Chain Reaction) product specificity and high in detection result precision; c) a field sample lixivium is directly adopted as a template for PCR, the operation that DNA (Deoxyribonucleic Acid) is extracted after pathogenic bacteria are separated is avoided, and thus the diagnosis time is greatly shortened; d) the diagnosis method for the rice bacterial fusicoccum sp is simple, rapid and accurate.

The invention discloses a human body knee jerk intelligent diagnosis and treatment percussion hammer based on a six-axis acceleration transducer. The intelligent diagnosis and treatment percussion hammer can collects the movement condition of the calf of a patient after the percussion in real time; the analysis can be performed by using a microprocessor; the percussion result is instantly displayed in an LED (light emitting diode) lamp mode; direct viewing and easy understanding can be realized. The percussion hammer mainly consists of two parts including a test box and a percussion hammer handle, wherein the test box comprises the six-axis acceleration transducer, a bluetooth emitting end and a rechargeable battery; the percussion hammer handle comprises a bluetooth receiving end, a microprocessor, a dry battery and an LED lamp. The output end of the acceleration sensor is connected with the signal input end of the microprocessor through wireless bluetooth; the microprocessor performs data processing and then displays the diagnosis result through the LED lamp. The knee jerk intelligent diagnosis and treatment percussion hammer has the accurate diagnosis and data transmission functions; the precise diagnosis and treatment under the guidance of the patient without professional doctors can be realized.

The invention discloses a kit for external detection of Neurofibromastosis 2 disease causative gene NF2 c.1598delA mutation. The kit comprises a primer pair shown in the formulas of SEQ ID NO: 1 and SEQ ID NO: 2. The invention firstly discloses Neurofibromastosis 2 disease causative gene NF2 c.1598delA mutation and proves a relationship of the mutation site and the Neurofibromastosis 2 disease. The invention further designs the primers for detecting the mutation site and discloses a use of the primers in diagnosis of the Neurofibromastosis 2 disease. Through prenatal screening and neonatal NF2 gene mutation screening, a birth rate of the children suffering from the NF2 disease is reduced, disease is prevented and social pressure is greatly reduced.

The invention discloses a centralized control module and an automobile. The automobile comprises seats, a first motor, a rearview mirror, a second motor and a centralized control module, wherein the seats are arranged on an automobile floor; the first motor is used for regulating the positions of the seats; the rearview mirror is arranged on an automobile body; the second motor is used for regulating the position of the rearview mirror; and the centralized control module is arranged in the automobile. The centralized control module comprises a first control unit, a second control unit and a generating unit, wherein the first control unit is connected with the first motor and used for outputting a first instruction to the first motor, and the first instruction is used for controlling the first motor to regulate the positions of the seats; the second control unit is connected with the second motor and used for outputting the second instruction to the second motor, and the second instruction is used for controlling the second motor to regulate the position of the rearview mirror; and the generating unit is respectively connected with the first control unit and the second control unitand used for generating the first instruction and the second instruction. By adopting the technical scheme, the automobile adopts a centralized control mode on the automobile seats and the rearview mirror for replacing a distributed control mode in the prior art to reduce the load rate of bus communication of the automobile.

The invention provides a noise canceling earphone testing device and a noise canceling earphone testing system, a microphone fault diagnosis device, a microphone fault diagnosis system and a microphone fault diagnosis method thereof. The testing device comprises a base, a vertical plate and a fixing frame, wherein the vertical plate and the fixing frame are both mounted on the base; the fixing frame is used for supporting the head beam of the noise canceling earphone to be tested; and the vertical plate is used for fitting the earphone cover of the noise canceling earphone to be tested. The testing device is used to fix the noise canceling earphone to be tested, and ensure the stability and reliability of the test data obtained by the earphone to be tested during the testing process, and the test device has the advantages of simple structure, easy realization, and low cost. The testing system consisting of the testing device and the data collecting device and the computing device is capable of acquiring the transfer function of the acoustic characteristics of the noise canceling earphone based on the acoustic characteristic data of the noise canceling earphone collected, thereby laying a foundation for the filter design of the noise canceling earphone.

The invention discloses a synchronous compensator rotor turn-to-turn short circuit fault diagnosis method and device and a storage medium. The method comprises the steps of acquiring the electric parameters such as reactive output power, exciting current, a rotor rotation speed and stator end voltage of a synchronous compensator and direct-axis synchronous reactance and direct-axis armature reaction reactance when the synchronous compensator does not break down under a stable operation state of the synchronous compensator; calculating a rotor turn-to-turn short circuit fault short-circuit ratio of the synchronous compensator according to the acquired electric parameters; and carrying out rotor turn-to-turn short circuit fault diagnosis on the synchronous compensator according to the short-circuit ratio. According to the method and device and the storage medium, the rotor short circuit faults can be online judged through the electric monitoring quantities during the stable operation ofthe synchronous compensators.

The invention discloses a portable fault detecting device and method for a high voltage shunt reactor, and the device comprises a main control module and further comprises a thermal imaging module, avibration collecting module, a display module, a storage module and a power module which are electrically connected to the main control module, wherein the thermal imaging module is configured to collect surface temperature information of the reactor and send the information to the main control module; the vibration collecting module is configured to collect a vibration signal of the reactor and send the signal to the main control module for processing; and the main control module is configured to process the temperature information and the vibration signal and judge whether the reactor is abnormal or not. The portable fault detecting device provided by the invention is light and portable, and can realize the detection of problems such as abnormal vibration, looseness of awinding and acore, and local overheating of the high voltage shunt reactor. The diagnosis method uses the ratio of the amplitude of the frequency components of 200Hz and 100Hz as a principal component coefficient, andincludes measurement factors of vibration characteristics to improve the accuracy of the vibration test. The method is applicable to different types of reactors, and has high accuracy, low hardware requirements and good practicability.

The invention belongs to the technical field of joint prosthesis peripheral infection diagnosis and particularly provides application of superparamagnetic nano-particles serving as a marker in preparation of PJI diagnosis test paper. The superparamagnetic nano-particles replace colloidal gold to serve as the marker, and a novel magnetic immunochromatography technology is formed. The application has the advantages that the PJI diagnosis test paper provided through the application is high in sensitivity and specificity and short in detection time, and detection is convenient; on the aspect of qualitative detection, the qualitative detection limit can be lower than 20 ng / mL, and the detection time is shorter than 10 min; on the aspect of quantitative detection, the quantitative detection limit is lower than 10 ng / mL, and the detection time is shorter than 20 min.

A method for configuring a data analyzer is provided. The method comprises displaying to a user, on a presentation interface coupled to a processor, a graphical representation of at least a portion of the data analyzer. A data analyzer configuration for the data analyzer is then generated using a user input interface, which is coupled to the presentation interface and the processor. The presentation interface then displays to the user a plurality of selectable machine train components. The method also comprises generating, using the user input interface, an interactive graphical representation of a machine train including at least one of the selectable machine train components. Using the processor, a configuration file is generated based on the data analyzer configuration and the graphical representation of the machine train. The configuration file facilitates diagnosing operation of the machine train using the data analyzer.

The invention discloses a gear fault diagnosis method in a railway locomotive gear box. The method comprises the following steps: S1, collecting various fault vibration signals of a locomotive gearbox; S2, calculating various information entropies of the fault of the gear box of the locomotive; S3, establishing an information entropy point sample library of various locomotive gear box faults; S4,acquiring a vibration signal in the gear box to be diagnosed, and establishing an information entropy point of the gear; and S5, identifying the faulty gear by utilizing the information entropy mean distance. According to the method, the vibration sensor is used for collecting the gear to extract the information entropy characteristic index in the vibration signal, and on the premise that the change rule of the information entropy characteristic index and the gear fault is obtained, the quantitative relation between the information entropy and the gear fault is obtained. On the basis of obtaining multiple measurement information entropy features, an information entropy mean distance diagnosis method is adopted to diagnose the fault of the gear. Due to the fact that the information entropycan eliminate redundant information in the fault signals, fault features in the average information amount are obtained, and the diagnosis effect on gear faults can be improved.